Sodium Hexametaphosphate(SHMP)

Molecular weight: 611.82
Standard executed: HG/2519-1993(technical grade)
GB1890-2005(food grade)
Chemical formula : (NaPO3)6
CAS Number:(1)68915-31-1
(2)10124-56-8
Properties:
White powder; Density 2.484(20); soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; It may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical.
Uses:
Used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. as water softener, flotation selecting agent, disperser and high temperature adhesive; In food industry it used as an additive, nourishing agent, quality improver, pH regulator, metal ions chelating agent, adhesive and leavening agent etc.
Packing and storage:
In 25 Kg,50 Kg,1000 Kg net bag,store at a cool,dry and well ventilated place.
Guaranteed Technical Specifications :
NO . specifications Industrial Grade Food Grade
1 Appearance white powder or white fine powder or white granular or colorless piece
2 Total phosphates (as P2O5 )% ÿ?68 68
3 Inactive Phosphates (as P2O5 )%ÿ?7.5 7.5
4 Iron (Fe) % ÿ?0.05 0.05
5 PH Value 5.8-7.3 5.8-6.5
6 Solubility pass pass
7 Heavy Metals (as Pb) % ÿ? 0.001
8 Arsenic (As)% ÿ? 0.0003
9 Fluoride (as F) % ÿ? 0.03
10 Water Insoluble matter % ÿ?0.05 0.05
11 Polymerization 9-21 9-21